Gua sha stone



FIG. 1 is a perspective view of a gua sha stone showing the new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left view thereof;

FIG. 5 is a right side thereof;

FIG. 6 is top side thereof; and,

FIG. 7 is a bottom view thereof. 

CLAIM The ornamental design for a gua sha stone, as shown and described. 